Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas...
[linux-2.6.git] / arch / mips / sgi-ip22 / ip22-platform.c
1 #include <linux/init.h>
2 #include <linux/if_ether.h>
3 #include <linux/kernel.h>
4 #include <linux/platform_device.h>
5
6 #include <asm/paccess.h>
7 #include <asm/sgi/ip22.h>
8 #include <asm/sgi/hpc3.h>
9 #include <asm/sgi/mc.h>
10 #include <asm/sgi/seeq.h>
11 #include <asm/sgi/wd.h>
12
13 static struct resource sgiwd93_0_resources[] = {
14         {
15                 .name   = "eth0 irq",
16                 .start  = SGI_WD93_0_IRQ,
17                 .end    = SGI_WD93_0_IRQ,
18                 .flags  = IORESOURCE_IRQ
19         }
20 };
21
22 static struct sgiwd93_platform_data sgiwd93_0_pd = {
23         .unit   = 0,
24         .irq    = SGI_WD93_0_IRQ,
25 };
26
27 static struct platform_device sgiwd93_0_device = {
28         .name           = "sgiwd93",
29         .id             = 0,
30         .num_resources  = ARRAY_SIZE(sgiwd93_0_resources),
31         .resource       = sgiwd93_0_resources,
32         .dev = {
33                 .platform_data = &sgiwd93_0_pd,
34         },
35 };
36
37 static struct resource sgiwd93_1_resources[] = {
38         {
39                 .name   = "eth0 irq",
40                 .start  = SGI_WD93_1_IRQ,
41                 .end    = SGI_WD93_1_IRQ,
42                 .flags  = IORESOURCE_IRQ
43         }
44 };
45
46 static struct sgiwd93_platform_data sgiwd93_1_pd = {
47         .unit   = 1,
48         .irq    = SGI_WD93_1_IRQ,
49 };
50
51 static struct platform_device sgiwd93_1_device = {
52         .name           = "sgiwd93",
53         .id             = 1,
54         .num_resources  = ARRAY_SIZE(sgiwd93_1_resources),
55         .resource       = sgiwd93_1_resources,
56         .dev = {
57                 .platform_data = &sgiwd93_1_pd,
58         },
59 };
60
61 /*
62  * Create a platform device for the GPI port that receives the
63  * image data from the embedded camera.
64  */
65 static int __init sgiwd93_devinit(void)
66 {
67         int res;
68
69         sgiwd93_0_pd.hregs      = &hpc3c0->scsi_chan0;
70         sgiwd93_0_pd.wdregs     = (unsigned char *) hpc3c0->scsi0_ext;
71
72         res = platform_device_register(&sgiwd93_0_device);
73         if (res)
74                 return res;
75
76         if (!ip22_is_fullhouse())
77                 return 0;
78
79         sgiwd93_1_pd.hregs      = &hpc3c0->scsi_chan1;
80         sgiwd93_1_pd.wdregs     = (unsigned char *) hpc3c0->scsi1_ext;
81
82         return platform_device_register(&sgiwd93_1_device);
83 }
84
85 device_initcall(sgiwd93_devinit);
86
87 static struct resource sgiseeq_0_resources[] = {
88         {
89                 .name   = "eth0 irq",
90                 .start  = SGI_ENET_IRQ,
91                 .end    = SGI_ENET_IRQ,
92                 .flags  = IORESOURCE_IRQ
93         }
94 };
95
96 static struct sgiseeq_platform_data eth0_pd;
97
98 static struct platform_device eth0_device = {
99         .name           = "sgiseeq",
100         .id             = 0,
101         .num_resources  = ARRAY_SIZE(sgiseeq_0_resources),
102         .resource       = sgiseeq_0_resources,
103         .dev = {
104                 .platform_data = &eth0_pd,
105         },
106 };
107
108 static struct resource sgiseeq_1_resources[] = {
109         {
110                 .name   = "eth1 irq",
111                 .start  = SGI_GIO_0_IRQ,
112                 .end    = SGI_GIO_0_IRQ,
113                 .flags  = IORESOURCE_IRQ
114         }
115 };
116
117 static struct sgiseeq_platform_data eth1_pd;
118
119 static struct platform_device eth1_device = {
120         .name           = "sgiseeq",
121         .id             = 1,
122         .num_resources  = ARRAY_SIZE(sgiseeq_1_resources),
123         .resource       = sgiseeq_1_resources,
124         .dev = {
125                 .platform_data = &eth1_pd,
126         },
127 };
128
129 /*
130  * Create a platform device for the GPI port that receives the
131  * image data from the embedded camera.
132  */
133 static int __init sgiseeq_devinit(void)
134 {
135         unsigned int pbdma __maybe_unused;
136         int res, i;
137
138         eth0_pd.hpc = hpc3c0;
139         eth0_pd.irq = SGI_ENET_IRQ;
140 #define EADDR_NVOFS     250
141         for (i = 0; i < 3; i++) {
142                 unsigned short tmp = ip22_nvram_read(EADDR_NVOFS / 2 + i);
143
144                 eth0_pd.mac[2 * i]     = tmp >> 8;
145                 eth0_pd.mac[2 * i + 1] = tmp & 0xff;
146         }
147
148         res = platform_device_register(&eth0_device);
149         if (res)
150                 return res;
151
152         /* Second HPC is missing? */
153         if (ip22_is_fullhouse() ||
154             get_dbe(pbdma, (unsigned int *)&hpc3c1->pbdma[1]))
155                 return 0;
156
157         sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 | SGIMC_GIOPAR_EXP164 |
158                          SGIMC_GIOPAR_HPC264;
159         hpc3c1->pbus_piocfg[0][0] = 0x3ffff;
160         /* interrupt/config register on Challenge S Mezz board */
161         hpc3c1->pbus_extregs[0][0] = 0x30;
162
163         eth1_pd.hpc = hpc3c1;
164         eth1_pd.irq = SGI_GIO_0_IRQ;
165 #define EADDR_NVOFS     250
166         for (i = 0; i < 3; i++) {
167                 unsigned short tmp = ip22_eeprom_read(&hpc3c1->eeprom,
168                                                       EADDR_NVOFS / 2 + i);
169
170                 eth1_pd.mac[2 * i]     = tmp >> 8;
171                 eth1_pd.mac[2 * i + 1] = tmp & 0xff;
172         }
173
174         return platform_device_register(&eth1_device);
175 }
176
177 device_initcall(sgiseeq_devinit);
178
179 static int __init sgi_hal2_devinit(void)
180 {
181         return IS_ERR(platform_device_register_simple("sgihal2", 0, NULL, 0));
182 }
183
184 device_initcall(sgi_hal2_devinit);
185
186 static int __init sgi_button_devinit(void)
187 {
188         if (ip22_is_fullhouse())
189                 return 0; /* full house has no volume buttons */
190
191         return IS_ERR(platform_device_register_simple("sgibtns", -1, NULL, 0));
192 }
193
194 device_initcall(sgi_button_devinit);
195
196 static int __init sgi_ds1286_devinit(void)
197 {
198         struct resource res;
199
200         memset(&res, 0, sizeof(res));
201         res.start = HPC3_CHIP0_BASE + offsetof(struct hpc3_regs, rtcregs);
202         res.end = res.start + sizeof(hpc3c0->rtcregs) - 1;
203         res.flags = IORESOURCE_MEM;
204
205         return IS_ERR(platform_device_register_simple("rtc-ds1286", -1,
206                                                       &res, 1));
207 }
208
209 device_initcall(sgi_ds1286_devinit);